Knowledge & Memory

RubyGems MCP — wraps the RubyGems.org public API (free, no auth)

Crypto market signals and portfolio telemetry. 6 tools pay-per-call in USDC, no API key.

The MCP server index that vets servers, not just lists them. Advisory screen before you install.

FAA Regulations MCP — US Federal Aviation Regulations (14 CFR, 'FARs').

Honest library picks for coding agents in 25-360 tokens. Tells your agent what NOT to install.

Sonoma County Animal Services MCP — live shelter intake & outcome records

NIH Supplements

UK Gazette MCP — The Gazette (www.thegazette.co.uk), the UK's official

OpenAgenda MCP.

Tiingo MCP — wraps the Tiingo financial API (tiingo.com)

Skiddle MCP.

Scryfall MCP — Magic: The Gathering card database.

Octopus Energy public API MCP — UK energy tariffs & products.

Washington State DMV MCP — the Department of Licensing's VIN-level electric-vehicle

Missouri DMV MCP — the Department of Revenue's driver and motor-vehicle license offices,

PubTator 3 MCP — biomedical entity search, literature search with entity

Service status / uptime MCP — Atlassian Statuspage v2.

Steam Web API MCP.

Social Signal — post-VOLUME TIME SERIES across the open social networks that

Oklahoma Statutes — state statutes by citation, full-text topic search,